Moses
Deuteronomy 9:25ESV·traditional attribution

“So I lay prostrate before the LORD for these forty days and forty nights, because the LORD had said he would destroy you.

John Calvin Reformed @genevareformer

25. Thus I fell down before the Lord forty days Again the narrative is blended together; for it is certain that this prayer was offered before he remained fasting in the mount during the second forty days. But inasmuch as then also, being still in anxiety, he continued the same prayers, it is not to be wondered at that he should include in the forty...

Matthew Henry Presbyterian @wholebiblehenry

That they might have no pretence to think that God brought them to Canaan for their righteousness, Moses here shows them what a miracle of mercy it was that they had not long ere this been destroyed in the wilderness: "Remember, and forget not, how thou provokedst the Lord thy God (Deu 9:7); so far from purchasing his favour, thou hast many a time laid...

Commenting on Deuteronomy 9:7-29

John Gill Reformed Baptist @doctorgill

Remember thy servants, Abraham, Isaac, and Jacob,.... The covenant he had made with them, the promises he had made to them of the multiplication of their seed, and of giving the land of Canaan to them; which is a third argument used with the Lord not to destroy them: look not unto the stubbornness of this people, nor to their wickedness, nor to their sin...